Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5310849 | Amino and ammonium isocyanates, a process for their preparation, their use for the production of polymers containing ammonium groups and the polymers thus produced | Hans-Josef Buysch, Klaus Konig, Alexander Klausener, Jorn Breckwoldt | 1994-05-10 |
| 5294702 | Water-soluble polymerizable 3-allyloxy-2-hydroxypropylether of cellulose | Jorn Breckwoldt | 1994-03-15 |
| 5278304 | Water-soluble sulfoethyl cellulose ethers of very high solution quality and a process for their production | Reinhard Kniewske, Rene Kiesewetter | 1994-01-11 |
| 5274067 | Binders containing ethylenically unsaturated groups and their use for the production of paints | Burkhard Kressdorf, Erhard Luhmann, Lutz Hoppe, Wolfgang Koch | 1993-12-28 |
| 5182380 | Dihydroxypropyl sulphoethyl celluloses, their preparation and their use | Jorn Breckwoldt | 1993-01-26 |
| 5177199 | Water-soluble hydroxypropyl sulfoethyl cellulose derivatives (HPSEC) having a low degree of substitution and a process for their production | Rene Kiesewetter | 1993-01-05 |
| 5071892 | Desensitized nitrocellulose mixtures | Lutz Hoppe, Michael Piepho | 1991-12-10 |
| 5068321 | Carbonic acid esters of polysaccharides and a process for their production | Hans-Josef Buysch, Alexander Klausener, Klaus Balser, Michaela Wilke | 1991-11-26 |
| 5001232 | Carboxymethylsulphoethyl celluloses and a process for their preparation | Dieter Herzog, Klaus Balser | 1991-03-19 |
| 4990609 | Sulfoethyl cellulose of high solution quality and a process for its production | Dieter Herzog, Klaus Balser | 1991-02-05 |
| 4988790 | Substances for the manufacture of paper | Rudolf Behn, Branislav Bohmer, Lutz Hoppe | 1991-01-29 |
| 4978750 | Process for the production of heteropolysaccharides having improved properties, more especially xanthan | Michaela Wilke, Klaus Balser | 1990-12-18 |
| 4933428 | Polymerizable water soluble binders | Michael Piepho, Erhard Luhmann, Lutz Hoppe | 1990-06-12 |
| 4772329 | Aqueous dispersions based on cellulose nitrates, a process for their production and their use as quick-hardening coatings | Erhard Luhmann, Lutz Hoppe | 1988-09-20 |
| 4731121 | Viscous cellulose-containing mixture (paste) and use thereof in the production of aqueous coating dispersions | Erhard Luhmann, Lutz Hoppe, Hans-Joachim Traenckner | 1988-03-15 |
| 4727116 | Water-soluble polymers and use as building material auxiliaries | Werner Lange, Frank Hohl | 1988-02-23 |
| 4703087 | Water-soluble polymers and their use as auxiliaries for building materials | Werner Lange, Frank Hohl | 1987-10-27 |
| 4590019 | Processes for the production of free-flowing nitrocellulose | Erhard Luhmann, Lutz Hoppe | 1986-05-20 |
| 4517324 | Viscous cellulose-containing mixture (paste) and a process for the production of aqueous coating emulsions therefrom | Erhard Luhmann, Lutz Hoppe, Friedrich-Karl Lampert | 1985-05-14 |
| 4330441 | Solvent-soluble substances characterized in that water-soluble cellulose ethers are chemically bonded to water-soluble, at least predominately synthetic polymers containing acrylic units | Branislaw Bohmer, Lutz Hoppe, Dieter Kudora, Rudolf Behn | 1982-05-18 |